Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Holly M Best

Q: What is the NPI number for Holly Best?

The National Provider Identifier (NPI) for Holly Best is 1801159603, a Type 1 (individual) record in the CMS NPPES registry.

Social Worker in Monroe, WI · enumerated 2012 · practices at County of Green.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1801159603

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Registry record

Entity type Individual (Type 1)

Name Holly M Best

Sex Female

Practice address N3152 State Road 81, Monroe, WI, 53566

Phone (608) 328-9356

Fax (608) 328-9480

Enumeration date Jun 18, 2012

Last updated in NPPES Jun 18, 2012

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Where does Holly Best practice?

The practice location on file with NPPES is in Monroe, WI. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Holly Best?

The National Provider Identifier (NPI) for Holly Best is 1801159603, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-06-18.